Badger6

There's an old saying, "Don't buy upgrades, go up grades." In your case, the bike you have is light, and set up with good components, and a drivetrain that is geared for exactly what that bike is intended (all-road riding). I personally wouldn't worry much about the gearing, instead focusing on upgrading the motor which only requires healthy eating, getting enough sleep, and using some common sense to achieve the work capacity you need, both endurance and strength. It won't happen overnight, but it can happen pretty quickly if you just keep riding. Oh, there's also another saying, "It never gets easier, you just get faster."

For the record, before the BF police come after me, there is nothing wrong with upgrading your bike, and sometimes there are physical limitations, and the reality is that some of us will never climb in the big ring.